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libowfat/buffer/buffer_get.c

20 lines
366 B

#include "byte.h"
#include "buffer.h"
ssize_t buffer_get(buffer* b,char* x,size_t len) {
unsigned long done;
int blen;
done=0;
while (len) {
if ((blen=buffer_feed(b))<=0) return blen;
if ((unsigned long int) blen>=len)
blen=len;
byte_copy(x,blen,b->x+b->p);
b->p+=blen;
len-=blen;
x+=blen;
done+=blen;
}
return done;
}